elm/exercises/rna-transcription/tests/Tests.elm
2017-05-28 08:14:40 +02:00

25 lines
952 B
Elm

module Tests exposing (..)
import Test exposing (..)
import Expect
import RNATranscription exposing (toRNA)
tests : Test
tests =
describe "RNATranscription"
[ test "complement of cytosine is guanine" <|
\() -> Expect.equal (Ok "G") (toRNA "C")
, test "complement of guanine is cytosine" <|
\() -> Expect.equal (Ok "C") (toRNA "G")
, test "complement of thymine is adenine" <|
\() -> Expect.equal (Ok "A") (toRNA "T")
, test "complement of adenine is uracil" <|
\() -> Expect.equal (Ok "U") (toRNA "A")
, test "complement" <|
\() -> Expect.equal (Ok "UGCACCAGAAUU") (toRNA "ACGTGGTCTTAA")
, test "correctly handles completely invalid input" <|
\() -> Expect.equal (Err 'X') (toRNA "XXX")
, test "correctly handles partially invalid input" <|
\() -> Expect.equal (Err 'U') (toRNA "UGAAXXXGACAUG")
]